Feature/add elements config#11

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yancyribbens wants to merge 3 commits intodgyoshi:masterfrom

yancyribbens:feature/add-elements-config

Commits on Oct 11, 2019

add a release arg to set which release is built
yancyribbens
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Commits on Oct 13, 2019

add env and build args for switching to a different blockchain such as regtest
yancyribbens
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Commits on Oct 14, 2019

add elements config with some default values
yancyribbens
committed